util/intelp2m: Add Intel Pad to Macro utility
This patch adds a new utility for converting a pad configuration from the inteltool dump to the PAD_CFG_*() macros [1] for coreboot and GPIO config data structures for FSP/sdk2-platforms/slimbootloader [2,3]. Mirror: https://github.com/maxpoliak/pch-pads-parser.git [1] src/soc/intel/common/block/include/intelblocks/gpio_defs.h [2] https://slimbootloader.github.io/tools/index.html#gpio-tool [3] 3rdparty/fsp/CometLakeFspBinPkg/CometLake1/Include/GpioSampleDef.h Change-Id: If3e3b523c4f63dc2f91e9ccd16934e3a1b6e21fa Signed-off-by: Maxim Polyakov <max.senia.poliak@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35643 Reviewed-by: Andrey Petrov <andrey.petrov@gmail.com> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Maxim Polyakov
committed by
Felix Held
Felix Held
parent
8079c5c1c2
commit
82ec61e9d7
171
util/intelp2m/fields/cb/cb.go
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171
util/intelp2m/fields/cb/cb.go
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@@ -0,0 +1,171 @@
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package cb
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import "../../config"
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import "../../platforms/common"
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type FieldMacros struct {}
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// field - data structure for creating a new bitfield macro object
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// PAD_FUNC(NF3)
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// prefix : PAD_FUNC
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// name : NF3; this value will be overridden if the configurator is used
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// unhide : conditions for hiding macros
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// configurator : method for determining the current configuration of the bit field
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type field struct {
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prefix string
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name string
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unhide bool
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configurator func()
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}
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// generate - wrapper for generating bitfield macros string
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// fileds : field structure
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func generate(fileds ...*field) {
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macro := common.GetMacro()
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var allhidden bool = true
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for _, field := range fileds {
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if field.unhide {
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allhidden = false
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macro.Or()
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if field.prefix != "" {
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macro.Add(field.prefix).Add("(")
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}
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if field.name != "" {
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macro.Add(field.name)
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} else if field.configurator != nil {
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field.configurator()
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}
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if field.prefix != "" {
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macro.Add(")")
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}
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}
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}
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if allhidden { macro.Add("0") }
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}
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// DecodeDW0 - decode value of DW0 register
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func (FieldMacros) DecodeDW0() {
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macro := common.GetMacro()
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dw0 := macro.Register(common.PAD_CFG_DW0)
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generate(
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&field {
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prefix : "PAD_FUNC",
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unhide : config.InfoLevelGet() <= 3 || dw0.GetPadMode() != 0,
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configurator : func() { macro.Padfn() },
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},
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&field {
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prefix : "PAD_RESET",
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unhide : dw0.GetResetConfig() != 0,
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configurator : func() { macro.Rstsrc() },
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},
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&field {
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prefix : "PAD_TRIG",
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unhide : dw0.GetRXLevelEdgeConfiguration() != 0,
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configurator : func() { macro.Trig() },
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},
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&field {
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prefix : "PAD_IRQ_ROUTE",
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name : "IOAPIC",
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unhide : dw0.GetGPIOInputRouteIOxAPIC() != 0,
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},
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&field {
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prefix : "PAD_IRQ_ROUTE",
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name : "SCI",
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unhide : dw0.GetGPIOInputRouteSCI() != 0,
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},
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&field {
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prefix : "PAD_IRQ_ROUTE",
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name : "SMI",
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unhide : dw0.GetGPIOInputRouteSMI() != 0,
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},
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&field {
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prefix : "PAD_IRQ_ROUTE",
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name : "NMI",
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unhide : dw0.GetGPIOInputRouteNMI() != 0,
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},
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&field {
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prefix : "PAD_RX_POL",
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unhide : dw0.GetRxInvert() != 0,
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configurator : func() { macro.Invert() },
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},
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&field {
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prefix : "PAD_BUF",
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unhide : dw0.GetGPIORxTxDisableStatus() != 0,
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configurator : func() { macro.Bufdis() },
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},
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&field {
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name : "(1 << 29)",
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unhide : dw0.GetRXPadStateSelect() != 0,
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},
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&field {
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name : "(1 << 28)",
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unhide : dw0.GetRXRawOverrideStatus() != 0,
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},
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&field {
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name : "(1 << 1)",
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unhide : dw0.GetGPIORXState() != 0,
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},
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&field {
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name : "1",
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unhide : dw0.GetGPIOTXState() != 0,
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},
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)
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}
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// DecodeDW1 - decode value of DW1 register
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func (FieldMacros) DecodeDW1() {
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macro := common.GetMacro()
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dw1 := macro.Register(common.PAD_CFG_DW1)
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generate(
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&field {
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name : "PAD_CFG1_TOL_1V8",
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unhide : dw1.GetPadTol() != 0,
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},
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&field {
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prefix : "PAD_PULL",
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unhide : dw1.GetTermination() != 0,
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configurator : func() { macro.Pull() },
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},
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&field {
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prefix : "PAD_IOSSTATE",
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unhide : dw1.GetIOStandbyState() != 0,
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configurator : func() { macro.IOSstate() },
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},
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&field {
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prefix : "PAD_IOSTERM",
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unhide : dw1.GetIOStandbyTermination() != 0,
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configurator : func() { macro.IOTerm() },
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},
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&field {
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prefix : "PAD_CFG_OWN_GPIO",
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unhide : macro.IsOwnershipDriver(),
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configurator : func() { macro.Own() },
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},
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)
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}
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// GenerateString - generates the entire string of bitfield macros.
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func (bitfields FieldMacros) GenerateString() {
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macro := common.GetMacro()
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macro.Add("_PAD_CFG_STRUCT(").Id().Add(", ")
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bitfields.DecodeDW0()
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macro.Add(", ")
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bitfields.DecodeDW1()
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macro.Add("),")
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}
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20
util/intelp2m/fields/fields.go
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20
util/intelp2m/fields/fields.go
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@@ -0,0 +1,20 @@
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package fields
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import "../config"
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import "../platforms/common"
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import "./fsp"
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import "./cb"
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import "./raw"
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// InterfaceSet - set the interface for decoding configuration
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// registers DW0 and DW1.
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func InterfaceGet() common.Fields {
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var fldstylemap = map[uint8]common.Fields{
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config.NoFlds : cb.FieldMacros{}, // analyze fields using cb macros
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config.CbFlds : cb.FieldMacros{},
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config.FspFlds : fsp.FieldMacros{},
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config.RawFlds : raw.FieldMacros{},
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}
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return fldstylemap[config.FldStyleGet()]
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}
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171
util/intelp2m/fields/fsp/fsp.go
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171
util/intelp2m/fields/fsp/fsp.go
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@@ -0,0 +1,171 @@
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package fsp
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import "../../platforms/common"
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type FieldMacros struct {}
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// field - data structure for creating a new bitfield macro object
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// configmap : map to select the current configuration
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// value : the key value in the configmap
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// override : overrides the function to generate the current bitfield macro
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type field struct {
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configmap map[uint8]string
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value uint8
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override func(configuration map[uint8]string, value uint8)
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}
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// generate - wrapper for generating bitfield macros string
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// fileds : field structure
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func generate(fileds ...*field) {
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macro := common.GetMacro()
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for _, field := range fileds {
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if field.override != nil {
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// override if necessary
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field.override(field.configmap, field.value)
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continue
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}
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fieldmacro, valid := field.configmap[field.value]
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if valid {
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macro.Add(fieldmacro).Add(", ")
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} else {
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macro.Add("INVALID, ")
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}
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}
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}
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// DecodeDW0 - decode value of DW0 register
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func (FieldMacros) DecodeDW0() {
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macro := common.GetMacro()
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dw0 := macro.Register(common.PAD_CFG_DW0)
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ownershipStatus := func() uint8 {
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if macro.IsOwnershipDriver() { return 1 }
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return 0
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}
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generate(
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&field {
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configmap : map[uint8]string{
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0: "GpioPadModeGpio",
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1: "GpioPadModeNative1",
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2: "GpioPadModeNative2",
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3: "GpioPadModeNative3",
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4: "GpioPadModeNative4",
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5: "GpioPadModeNative5",
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},
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value : dw0.GetPadMode(),
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},
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&field {
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configmap : map[uint8]string {
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0: "GpioHostOwnAcpi",
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1: "GpioHostOwnGpio",
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},
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value : ownershipStatus(),
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},
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&field {
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configmap : map[uint8]string {
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0: "GpioDirInOut",
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1: "GpioDirIn",
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2: "GpioDirOut",
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3: "GpioDirNone",
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1 << 4 | 0: "GpioDirInInvOut",
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1 << 4 | 1: "GpioDirInInv",
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},
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value : dw0.GetRxInvert() << 4 | dw0.GetRXLevelEdgeConfiguration(),
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},
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&field {
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configmap : map[uint8]string {
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0: "GpioOutLow",
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1: "GpioOutHigh",
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},
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value : dw0.GetGPIOTXState(),
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},
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&field {
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configmap : map[uint8]string {
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1 << 0: "GpioIntNmi",
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1 << 1: "GpioIntSmi",
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1 << 2: "GpioIntSci",
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1 << 3: "GpioIntApic",
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},
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override : func(configmap map[uint8]string, value uint8) {
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mask := dw0.GetGPIOInputRouteIOxAPIC() << 3 |
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dw0.GetGPIOInputRouteSCI() << 2 |
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dw0.GetGPIOInputRouteSMI() << 1 |
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dw0.GetGPIOInputRouteNMI()
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if mask == 0 {
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macro.Add("GpioIntDis | ")
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return
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}
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for bit, fieldmacro := range configmap {
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if mask & bit != 0 {
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macro.Add(fieldmacro).Add(" | ")
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}
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}
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},
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},
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&field {
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configmap : map[uint8]string {
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0: "GpioIntLevel",
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1: "GpioIntEdge",
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2: "GpioIntLvlEdgDis",
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3: "GpioIntBothEdge",
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},
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value : dw0.GetResetConfig(),
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},
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&field {
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configmap : map[uint8]string {
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0: "GpioResetPwrGood",
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1: "GpioResetDeep",
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2: "GpioResetNormal",
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3: "GpioResetResume",
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},
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value : dw0.GetResetConfig(),
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},
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)
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}
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// DecodeDW1 - decode value of DW1 register
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func (FieldMacros) DecodeDW1() {
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macro := common.GetMacro()
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dw1 := macro.Register(common.PAD_CFG_DW1)
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generate(
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&field {
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override : func(configmap map[uint8]string, value uint8) {
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if dw1.GetPadTol() != 0 {
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macro.Add("GpioTolerance1v8 | ")
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}
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},
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},
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&field {
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configmap : map[uint8]string {
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0x0: "GpioTermNone",
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0x2: "GpioTermWpd5K",
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0x4: "GpioTermWpd20K",
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0x9: "GpioTermWpu1K",
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0xa: "GpioTermWpu5K",
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0xb: "GpioTermWpu2K",
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0xc: "GpioTermWpu20K",
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0xd: "GpioTermWpu1K2K",
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0xf: "GpioTermNative",
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},
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value : dw1.GetTermination(),
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},
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)
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}
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// GenerateString - generates the entire string of bitfield macros.
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func (bitfields FieldMacros) GenerateString() {
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macro := common.GetMacro()
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macro.Add("{ GPIO_SKL_H_").Id().Add(", { ")
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bitfields.DecodeDW0()
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bitfields.DecodeDW1()
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macro.Add(" GpioPadConfigLock } },") // TODO: configure GpioPadConfigLock
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}
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28
util/intelp2m/fields/raw/raw.go
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28
util/intelp2m/fields/raw/raw.go
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@@ -0,0 +1,28 @@
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package raw
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import "fmt"
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import "../../platforms/common"
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type FieldMacros struct {}
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func (FieldMacros) DecodeDW0() {
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macro := common.GetMacro()
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// Do not decode, print as is.
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macro.Add(fmt.Sprintf("0x%0.8x", macro.Register(common.PAD_CFG_DW0).ValueGet()))
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}
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func (FieldMacros) DecodeDW1() {
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macro := common.GetMacro()
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// Do not decode, print as is.
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macro.Add(fmt.Sprintf("0x%0.8x", macro.Register(common.PAD_CFG_DW1).ValueGet()))
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}
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// GenerateString - generates the entire string of bitfield macros.
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func (bitfields FieldMacros) GenerateString() {
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macro := common.GetMacro()
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macro.Add("_PAD_CFG_STRUCT(").Id().Add(", ")
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bitfields.DecodeDW0()
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macro.Add(", ")
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bitfields.DecodeDW1()
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macro.Add("),")
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}
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